Late to group rides? Maybe the new Garmin Edge 820 can help - BikeRadar
Garmin Egde Out Front Bike Computer Mount for Garmin Edge 820 810 800 530 520 Plus 520 510 500 200 25 Touring and Touring Plus Compatible with 31.8mm 25.4mm Handlebar (Basic - Printed Logo) : Amazon.ca: Electronics
Garmin Edge 820 and Edge Explore 820 Silicone Case - 010-12484-00